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SubjectRe: [RFC 0/5] livepatch: new API to track system state changes
On Tue, Jun 11, 2019 at 03:56:22PM +0200, Petr Mladek wrote:
> Hi,
>
> this is another piece in the puzzle that helps to maintain more
> livepatches.
>
> Especially pre/post (un)patch callbacks might change a system state.
> Any newly installed livepatch has to somehow deal with system state
> modifications done be already installed livepatches.
>
> This patchset provides, hopefully, a simple and generic API that
> helps to keep and pass information between the livepatches.
> It is also usable to prevent loading incompatible livepatches.
>
> There was also a related idea to add a sticky flag. It should be
> easy to add it later. It would perfectly fit into the new struct
> klp_state.
>
> Petr Mladek (5):
> livepatch: Keep replaced patches until post_patch callback is called
> livepatch: Basic API to track system state changes
> livepatch: Allow to distinguish different version of system state
> changes
> livepatch: Documentation of the new API for tracking system state
> changes
> livepatch: Selftests of the API for tracking system state changes

I confess I missed most of the previous discussion, but from a first
read-through this seems reasonable, and the code looks simple and
self-contained.

--
Josh

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